Theorem int-eqtransd

Description: EqualityTransitivity generator rule. (Contributed by Stanislas Polu, 7-Apr-2020)

	Ref	Expression
Hypotheses	int-eqtransd.1	|- ( ph -> A = B )
	int-eqtransd.2	|- ( ph -> B = C )
Assertion	int-eqtransd	|- ( ph -> A = C )

Proof

Step	Hyp	Ref	Expression
1		int-eqtransd.1	|- ( ph -> A = B )
2		int-eqtransd.2	|- ( ph -> B = C )
3	1 2	eqtrd	|- ( ph -> A = C )